212013407 has 2 divisors, whose sum is σ = 212013408. Its totient is φ = 212013406.

The previous prime is 212013377. The next prime is 212013421. The reversal of 212013407 is 704310212.

212013407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212013407 - 2¹⁸ = 211751263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212013497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006703 + 106006704.

It is an arithmetic number, because the mean of its divisors is an integer number (106006704).

Almost surely, 2^212013407 is an apocalyptic number.

212013407 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013407 is an equidigital number, since it uses as much as digits as its factorization.

212013407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 212013407 is about 14560.6801695525. The cubic root of 212013407 is about 596.2857650609.

Adding to 212013407 its reverse (704310212), we get a palindrome (916323619).

The spelling of 212013407 in words is "two hundred twelve million, thirteen thousand, four hundred seven".